Global declines in coral reef calcium carbonate production under ocean acidification and warming

Cornwall, C. et al., PNAS

Global declines in coral reef calcium carbonate production under ocean acidification and warming
Nico Smit on Unsplash

By projecting impacts across 233 different locations, we demonstrate that the majority of coral reefs will be unable to maintain positive net carbonate production globally by the year 2100 under representative concentration pathways RCP4.5 and 8.5, while even under RCP2.6, coral reefs will suffer reduced accretion rates. Our results provide quantitative projections of how different climate change stressors will influence whole ecosystem carbonate production across coral reefs in all major ocean basins.

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